MLA

Excise a Comical Hieroglyphical Epistle from [Beelzebub] to [Lord Bute]. [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/10713180.

APA, 6th edition

Excise a comical hieroglyphical epistle from [Beelzebub] to [Lord Bute]. [graphic]. (0 C.E.). [Caricatures and cartoons, Rebuses, Satires (Visual works) England 1763, Etchings England London 1763, Watermarks (Paper)]. publisher not identified. https://collections.library.yale.edu/catalog/10713180.